Surly Dirt Wizard Tyre Look Keo Brakes: Avid BB5 Mechanical

Brakes:                      Avid BB5 Mechanical

The shim - available in both plastic or aluminium – ensures a good fit of the bar in the stem and reduces the stress raisers at the edge of the stem

this closes flush with the pedal axle

Revised axle design for improved strength and impact resistance

Surly Dirt Wizard Tyre Look Keo Brakes: Avid BB5 MechanicalSurly Dirt Wizard Tyre The Surly Dirt Wizard tyre uses the same aggressive tread the other plus sized Dirt Wizard tyres use with tread block sizes. If you're not familiar, it's a tyre focused much like a laser on providing traction and control on the kinds of surfaces where traction and control are hard to find. While the tread is the same reliable tread we're all used to, the Dirt Wizard is conjured up in a rubber compound that performs better in